From b3dda493b43f12ff56bd6d71e1d9c2eb081e31dc Mon Sep 17 00:00:00 2001
From: Maxmtg <maxmtg@cardforge.org>
Date: Wed, 10 Apr 2013 04:04:55 +0000
Subject: [PATCH] anti-NPE measure:
 http://www.slightlymagic.net/forum/viewtopic.php?p=115101#p115101

---
 src/main/java/forge/game/ai/ComputerUtilCost.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/main/java/forge/game/ai/ComputerUtilCost.java b/src/main/java/forge/game/ai/ComputerUtilCost.java
index dd27da73197..5871e39a76f 100644
--- a/src/main/java/forge/game/ai/ComputerUtilCost.java
+++ b/src/main/java/forge/game/ai/ComputerUtilCost.java
@@ -336,6 +336,8 @@ public class ComputerUtilCost {
      * @return a boolean.
      */
     public static boolean canPayCost(final SpellAbility sa, final Player player) {
+        sa.setActivatingPlayer(player); // complaints on NPE had came before this line was added.
+
         // Check for stuff like Nether Void
         int extraManaNeeded = 0;
         if (sa instanceof Spell) {